How far is Ottawa from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Ottawa (Ottawa Macdonald–Cartier International Airport) is 450 miles / 724 kilometers / 391 nautical miles.
The driving distance from Washington D.C. (IAD) to Ottawa (YOW) is 547 miles / 880 kilometers, and travel time by car is about 11 hours 21 minutes.
Washington Dulles International Airport – Ottawa Macdonald–Cartier International Airport
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Distance from Washington D.C. to Ottawa
There are several ways to calculate the distance from Washington D.C. to Ottawa. Here are two standard methods:
Vincenty's formula (applied above)- 449.639 miles
- 723.623 kilometers
- 390.725 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 450.052 miles
- 724.288 kilometers
- 391.084 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Washington D.C. to Ottawa?
The estimated flight time from Washington Dulles International Airport to Ottawa Macdonald–Cartier International Airport is 1 hour and 21 minutes.
What is the time difference between Washington D.C. and Ottawa?
There is no time difference between Washington D.C. and Ottawa.
Flight carbon footprint between Washington Dulles International Airport (IAD) and Ottawa Macdonald–Cartier International Airport (YOW)
On average, flying from Washington D.C. to Ottawa generates about 91 kg of CO2 per passenger, and 91 kilograms equals 201 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Washington D.C. to Ottawa
See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Ottawa Macdonald–Cartier International Airport (YOW).
Airport information
| Origin | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |
| Destination | Ottawa Macdonald–Cartier International Airport |
|---|---|
| City: | Ottawa |
| Country: | Canada  |
| IATA Code: | YOW |
| ICAO Code: | CYOW |
| Coordinates: | 45°19′20″N, 75°40′9″W |
Airlines flying from Washington D.C. (IAD) to Ottawa (YOW)
| Air Canada |
| United Airlines |